// Create the resources that will be used every frame.
void D3D12DynamicIndexing::CreateFrameResources()
{
// Initialize each frame resource.
CD3DX12_CPU_DESCRIPTOR_HANDLE cbvSrvHandle(m_cbvSrvHeap->GetCPUDescriptorHandleForHeapStart(), CityMaterialCount + 1, m_cbvSrvDescriptorSize); // Move past the SRVs.
for (UINT i = 0; i < FrameCount; i++)
{
FrameResource* pFrameResource = new FrameResource(m_device.Get(), CityRowCount, CityColumnCount, CityMaterialCount, CitySpacingInterval);
UINT64 cbOffset = 0;
for (UINT j = 0; j < CityRowCount; j++)
{
for (UINT k = 0; k < CityColumnCount; k++)
{
// Describe and create a constant buffer view (CBV).
D3D12_CONSTANT_BUFFER_VIEW_DESC cbvDesc = {};
cbvDesc.BufferLocation = pFrameResource->m_cbvUploadHeap->GetGPUVirtualAddress() + cbOffset;
cbvDesc.SizeInBytes = sizeof(FrameResource::SceneConstantBuffer);
cbOffset += cbvDesc.SizeInBytes;
m_device->CreateConstantBufferView(&cbvDesc, cbvSrvHandle);
cbvSrvHandle.Offset(m_cbvSrvDescriptorSize);
}
}
pFrameResource->InitBundle(m_device.Get(), m_pipelineState.Get(), i, m_numIndices, &m_indexBufferView,
&m_vertexBufferView, m_cbvSrvHeap.Get(), m_cbvSrvDescriptorSize, m_samplerHeap.Get(), m_rootSignature.Get());
m_frameResources.push_back(pFrameResource);
}
}
// Create the resources that will be used every frame.
void D3D12DynamicIndexing::CreateFrameResources()
{
ThrowIfFailed(m_commandList->Reset(m_commandAllocator.Get(), m_pipelineState.Get()));
// Initialize each frame resource.
CD3DX12_CPU_DESCRIPTOR_HANDLE cbvSrvHandle(m_cbvSrvHeap->GetCPUDescriptorHandleForHeapStart(), CityMaterialCount + 1, m_cbvSrvDescriptorSize); // Move past the SRVs.
for (UINT i = 0; i < FrameCount; i++)
{
FrameResource* pFrameResource = new FrameResource(m_device.Get(), CityRowCount, CityColumnCount, CityMaterialCount, CitySpacingInterval);
UINT64 cbOffset = 0;
for (UINT j = 0; j < CityRowCount; j++)
{
for (UINT k = 0; k < CityColumnCount; k++)
{
// Describe and create a constant buffer view (CBV).
D3D12_CONSTANT_BUFFER_VIEW_DESC cbvDesc = {};
cbvDesc.BufferLocation = pFrameResource->m_cbvUploadHeap->GetGPUVirtualAddress() + cbOffset;
cbvDesc.SizeInBytes = sizeof(FrameResource::SceneConstantBuffer);
cbOffset += cbvDesc.SizeInBytes;
m_device->CreateConstantBufferView(&cbvDesc, cbvSrvHandle);
cbvSrvHandle.Offset(m_cbvSrvDescriptorSize);
}
}
pFrameResource->InitBundle(m_device.Get(), m_pipelineState.Get(), i, m_numIndices, &m_indexBufferView,
&m_vertexBufferView, m_cbvSrvHeap.Get(), m_cbvSrvDescriptorSize, m_samplerHeap.Get(), m_rootSignature.Get());
m_frameResources.push_back(pFrameResource);
}
// Close the command list and use it to execute the initial setup.
// This places the CBVs in the heap.
ThrowIfFailed(m_commandList->Close());
ID3D12CommandList* ppCommandLists[] = { m_commandList.Get() };
m_commandQueue->ExecuteCommandLists(_countof(ppCommandLists), ppCommandLists);
}
